Home / 6,491,823.40-9,719,072.70-3,972,399.40

Finding the Fourth Proportional to 6,491,823.40, 9,719,072.70 and 3,972,399.40

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Solution

The fourth proportional to 6,491,823.40, 9,719,072.70 and 3,972,399.40 is: 5,947,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,823.40 : 9,719,072.70 = 3,972,399.40 : x
  2. Step 2: Convert to fraction form
    6,491,823.40/9,719,072.70 = 3,972,399.40/x
  3. Step 3: Cross multiply
    6,491,823.40x = 9,719,072.70 × 3,972,399.40
  4. Step 4: Simplify right side
    6,491,823.40x = 38,608,038,562,036.38
  5. Step 5: Solve for x
    x = 38,608,038,562,036.38/6,491,823.40
  6. Step 6: Final answer
    x = 5,947,179.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.